Granby, MA solar installation & market data
Updated March 21, 2023Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Granby has 363 solar installations across 1 zip code at a median installed cost of $4.42/W, recent growth not yet measurable, and an installs-weighted Market Score of 46.
Active installations
363
Zip markets
1
Median cost
$4.42/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Granby scores higher than 71% of U.S. zip markets.
Versus Massachusetts
How Granby compares with the state
Installed cost
$0.25/W above
state median $4.17/W
Market score
46 vs 58
Massachusetts scores 58
Share of state installs
0.25%
of 142.6K tracked statewide
Battery attach
3.0%
state 3.1%
Statewide momentum
▲ 22.8%
residential solar added in Massachusetts, 12 months through Jul 2026
Statewide market
233.7K systems
13.3% of homes · utility-reported through Jul 2026
Growth & pricing
Granby by year
3 installs in the trailing twelve months vs 26 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Granby
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 161 | 0 | 1 | $4.49 |
| 2 | TESLA | 34 | 0 | 1 | $5.05 |
| 3 | TRINITY SOLAR | 21 | 1 | 1 | $4.20 |
| 4 | ALL ENERGY SOLAR | 14 | 0 | 1 | $3.83 |
| 5 | PV SQUARED | 14 | 0 | 1 | $4.83 |
| 6 | NORTHEAST SOLAR DESIGN ASSOCIATES | 10 | 0 | 1 | $4.09 |
| 7 | ROOF DIAGNOSTICS SOLAR | 10 | 0 | 1 | $3.31 |
| 8 | REVOLUSUN | 9 | 0 | 1 | $3.99 |
| 9 | SOLAR STORE OF GREENFIELD | 8 | 0 | 1 | $4.70 |
| 10 | RGS ENERGY | 6 | 0 | 1 | $4.71 |
| 11 | VALLEY SOLAR AND WATER | 5 | 1 | 1 | $5.15 |
| 12 | DIRECT ENERGY SOLAR | 5 | 0 | 1 | $4.28 |
Zip markets
Zips in Granby
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 01033 | 363 | $4.42 | 46 B |